#!/bin/bash
set -euo pipefail

# --- Настройки ---
HUGO_VER="0.165.0"
BIN_DIR="$HOME/bin"
# -----------------

case "$(uname -m)" in
  x86_64)  ARCH="amd64" ;;
  aarch64) ARCH="arm64" ;;
  *) echo "Неизвестная архитектура: $(uname -m)"; exit 1 ;;
esac

ASSET="hugo_extended_${HUGO_VER}_linux-${ARCH}.tar.gz"
URL="https://github.com/gohugoio/hugo/releases/download/v${HUGO_VER}/${ASSET}"

mkdir -p "$BIN_DIR"
TMP_DIR=$(mktemp -d)
trap 'rm -rf "$TMP_DIR"' EXIT

echo "1. Скачиваем Hugo v${HUGO_VER} (${ARCH})..."
wget -q "$URL" -O "$TMP_DIR/$ASSET"

echo "2. Проверяем checksum..."
wget -q "https://github.com/gohugoio/hugo/releases/download/v${HUGO_VER}/hugo_${HUGO_VER}_checksums.txt" -O "$TMP_DIR/checksums.txt"
( cd "$TMP_DIR" && grep " ${ASSET}\$" checksums.txt | sha256sum -c - )

echo "3. Распаковываем в $BIN_DIR..."
tar -xzf "$TMP_DIR/$ASSET" -C "$TMP_DIR" hugo
mv -f "$TMP_DIR/hugo" "$BIN_DIR/hugo"
chmod +x "$BIN_DIR/hugo"

echo "4. Прописываем PATH (если ещё не прописан)..."
if ! grep -q '# hugo-local-path' "$HOME/.bashrc" 2>/dev/null; then
  echo -e "\n# hugo-local-path\nexport PATH=\"\$HOME/bin:\$PATH\"" >> "$HOME/.bashrc"
fi

echo "Готово. Версия:"
"$BIN_DIR/hugo" version
echo "Перелогиньтесь или выполните: source ~/.bashrc"